ILC7280 datasheet(5/9 Pages) IMPALA

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Max

0.6

Typ

500

300

Micropower Dual 150mA CMOS RF LDO™ Regulators with 75dB Ripple Rejection

Impala Linear Corporation

(408) 574-3939

www.impalalinear.com

May 2000

ILC7280 1.8

Advance

Parameter

Shut Down Input Voltage

Peak Output Current (Note 4)

Output Noise Voltage (RMS)

Ripple Rejection

Dynamic Line Regulation

Dynamic Load Regulation

Short Circuit Current

Symbol

VS/D

IO(peak)

∆V

O/∆VIN

∆V

O(line)

∆V

O(load)

ISC

Conditions

High = Regulator On

Low = Regulator Off

VOUT > 0.95VO(NOM)

BW = 300Hz to 50kHz, CNOISE = 0pF

freq = 1kHz

freq = 10kHz

freq = 100kHz

VIN: VO(NOM) + 1V to VO(NOM) + 2V; dVIN/dt =

1V/µS;lo = 150mA

IOUT: 0 to 150mA; d(lOUT)/dt = 50A/µs, with

COUT = 2.2µF

VOUT = 0V

Min

2.0

300

Units

µV

Electrical Characteristics ILC7280CS

Unless otherwise specified, all limits are at TA = 25°C; VIN = VO(NOM) + 1V, IOUT = 1mA, COUT = 0.47µF, VS/D = 2V.

Boldface limits apply over the operating temperature range. (Note 2)

Note1: Absolute maximum ratings indicate limits which when exceeded may result in damage to the component. Electrical specifications do not apply

when operating the device outside of its rated operating conditions.

Note 2: Specified Min/Max limits are production tested or guaranteed through correlation based on statistical control methods. Measurements are

taken at constant junction temperature as close to ambient as possible using low duty pulse testing.

Note 3: Dropout Voltage is defined as the measured Differential Voltage between input and output voltage, when the output voltage drops 2% below the nominal output

voltage as VIN is decreased, and approaches VOUT . Nominal output voltage is defined at VIN = VOUT + 1V.

Note 4: Guaranteed by design

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